It sounds like your mom is concerned about your safety. It may not be possible to convince her to go to the mall alone, but your best chance is to show your mom that you are responsible and alert to your surroundings. It may also depend on your age.
Say all your friends who have one and say there are lots of 3+s
They were allowed to visit Johnny because they were his friends and his "family".
The present perfect tense of allow is "has allowed" or "have allowed," depending on the subject.
No these are applications allowed by Facebook and if it was going to negatively compromise anything they wouldn't allow it.
I really don't think you should let them. They are her parents let them do their job. Maybe you should start with a playdate. Let them grow to it. To them that's their little girl.
allowed
of Allow
ALWD for allowed or ALW for allow
Allowed is the past tense of allow.
Tell them about the learning experience that it will be.
allowed
The past participle of "allow" is "allowed."